I've maxed the extent to which I can use the QuickBase icons, and now I want to be able to use other icons, so I've added an Icons table to my QB Admin app, which I want upload icons into and refer to...
And rather than creating an image preview field, then referencing that in your button, you can reference the direct URL, which might speed things up a little.
Just modify the field properties of your file attachment field to be accessible without logging in, and now that file attachment is a permanent link for anybody to see/use
Then you copy the URL into your 'a'frame. Add your own action URL to the href, and size it as you'd like.
![https://www.quickbase.com/up/bmkiqjckt/g/rd/eh/va/1488585069_computer.png\"](https://www.quickbase.com/up/bmkiqjckt/g/rd/eh/va/1488585069_computer.png\"){kind=link}